.main {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    bottom: 0px;
    right: 0px;
    left: 0px;
    background-color: #ededed;
    flex-direction: column;
}

.main-body {
    position: fixed;
    top: 50px;
    height: 100%;
    width: 100%;
    left: 0px;
    right: 0px;
    display: -webkit-flex;
    display: flex;
    .main-sider {
        width: 230px;
        background-color: #333333;
    }
    .main-container {
        position: relative;
        width: 100%;
        height: 100%;
        overflow-y: scroll;
        /*显示y轴滚动条*/
        overflow-x: hidden;
        /*隐藏x轴滚动条*/
    }
}